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Do not serialize pbrMetallicRoughness when they have all default values. Fixes #204

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Syoyo Fujita 2019-09-13 15:32:22 +09:00
parent 14977937c2
commit 7e009041e3
1 changed files with 9 additions and 1 deletions
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10
tiny_gltf.h
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@ -6314,7 +6314,15 @@ static void SerializeGltfMaterial(Material &material, json &o) {
json pbrMetallicRoughness;
SerializeGltfPbrMetallicRoughness(material.pbrMetallicRoughness,
pbrMetallicRoughness);
JsonAddMember(o, "pbrMetallicRoughness", std::move(pbrMetallicRoughness));
// Issue 204
// Do not serialize `pbrMetallicRoughness` if pbrMetallicRoughness has all
// default values(json is null). Otherwise it will serialize to
// `pbrMetallicRoughness : null`, which cannot be read by other glTF
// importers(and validators).
//
if (!JsonIsNull(pbrMetallicRoughness)) {
JsonAddMember(o, "pbrMetallicRoughness", std::move(pbrMetallicRoughness));
}
}
#if 0 // legacy way. just for the record.